Respuesta :

sqdancefan

Answer:

  (0, 7.5)

Step-by-step explanation:

Compare the equation to the standard-form equation of a circle:

  (x -h)^2 +(y -k)^2 = r^2 . . . . . . . center at (h, k); radius r

You will notice that ...

  h = 0

  k = 7.5

The center is (h, k) = (0, 7.5).